| Dye Type | HSN Code (India) | Examples | Typical Uses |
| Basic Dyes | 32041359 | Auramine O, Rhodamine B, Methylene Blue | Textile dyeing (acrylic, silk, wool), paper coloring, biological staining |
| Acid Dyes | 32041200 | Acid Red 1, Acid Blue 9 | Wool, silk, nylon dyeing; leather finishing; food coloring |
| Direct Dyes | 32041400 | Direct Blue 1, Direct Red 28 | Cotton, rayon, paper dyeing; easy application without mordants |
| Reactive Dyes | 32041600 | Reactive Blue 19, Reactive Red 120 | Cotton, cellulose fibers; forms covalent bonds for wash-fast colors |
| Vat Dyes | 32041500 | Indigo, Vat Orange 1 | Denim dyeing, cotton fabrics; highly durable and lightfast |
| Disperse Dyes | 32041700 | Disperse Red 1, Disperse Blue 56 | Polyester, acetate fibers; used in synthetic textiles |
| Sulfur Dyes | 32041800 | Sulfur Black 1 | Cotton dyeing; economical, dull shades, high wash-fastness |
| Azo Dyes | 32041310 | Orange II, Congo Red | Wide textile applications; vivid colors; some used in pigments and inks |
| Natural Dyes | 32030000 | Indigo (plant-based), Cochineal | Traditional textile dyeing, eco-friendly applications |
Textile Industry: Dyeing acrylic fibers, wool, silk, and nylon.
• Paper Industry: Coloring paper and cardboard.
• Biological Sciences: Staining cells and tissues
• Ink & Paints: Used in ballpoint pen inks, printing inks, and coatings.
Basic Dyes
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Read moreDyeing cotton, viscose, rayon, and linen fabrics
Textile printing for garments, home textiles, and fashion fabrics
Denim and cotton apparel dyeing
Home furnishing fabrics such as bed sheets, curtains, and towels
Industrial textile processing due to excellent wash fastness and color durability
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